Unformatted text preview: hed in electronic form so that users
can access and print only those articles/portions in which they are interested. A further
extension of this idea is digital library, which is a repository of large information in
digital form allowing multiple users to search and access information of their interest
Entertainment software allow computer systems to be used as an entertainment tool. A
few examples of such applications are:
Video Games. Today thousands of video game applications are available on
computer systems. Special audio and visual effects are used in these applications to make
the games thrilling and exciting for the users.
2. Interactive Television. These applications allow users to either use their computer
systems as an interactive television or to convert their conventional televisions into an
interactive television. An interactive TV allows users to select TV programs of their
interest from a massive video archive, view at the time they wish, and interact with the
programs via VCR-like functions, such as fast-forward and rewind. In essence, it
implements a virtual video-rental shop from which customers can borrow and view the
videos of their choice at their own convenient time. The rental shop being virtual
provides 24 hours service.
3. Game Partner. These applications allow computers to become a game partner of an
individual for playing conventional games that require two players. A good example of
such an application is the use of computers for playing chess.
LOGICAL SYSTEM ARCHITECTURE
The logical architecture of a computer system is shown in Figure 10.1. The architecture
basically depicts the relationship among the hardware, system software, application
software and users of a computer system. As shown in the figure, at the center of any
computer system is the hardware, which comprises of the physica devices/components of
the computer system. Surrounding the hardware is the system software layer that
constitutes the operating and programming environment of the computer system. That is,...
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This document was uploaded on 04/07/2014.
- Spring '14